<script setup>
  import {Delete, Edit} from '@element-plus/icons-vue'
  import ChannelSelect from '@/components/ChannelSelect.vue'
  import ArticleEdit from '@/components/ArticleEdit.vue'
  import { formatTime } from '@/utils/format'
  import { ref } from 'vue'
  import {artGetListService, artDelService} from '@/api/article'
  const articleList = ref([])
  const total = ref(0)
  const params = ref({
    pagenum: 1,
    pagesize: 5,
    cate_id: '',
    state: ''
  })
  const getArticleList = async ()=>{
    loading.value = true
    const res = await artGetListService(params.value)
    articleList.value = res.data.data
    total.value = res.data.total
    loading.value = false
  }
  const onSizeChange = (size) => {
    params.value.pagenum = 1
    params.value.pagesize = size
    getArticleList()
  }
  const onCurrentChange = (page) => {
    params.value.pagenum = page
    getArticleList()
  }

  const loading = ref(false)

  const onSearch = () => {
    params.value.pagenum = 1
    getArticleList()
  }

  const onReset = () => {
    params.value.pagenum = 1
    params.value.cate_id = ''
    params.value.state = ''
    getArticleList()
  }
  const articleEditRef = ref()
  // 编辑新增逻辑
  const onAddArticle = () => {
    articleEditRef.value.open({})
  }
  const onEditArticle = (row) => {
    articleEditRef.value.open(row)
  }
  const onSuccess = (type) =>{
    if(type === 'add'){
      const lastPage = Math.ceil((total.value + 1) / params.value.pagesize)
      params.value.pagenum = lastPage
    }
    getArticleList()
  }
  const onDeleteArticle = async (row) => {
    await ElMessageBox.confirm('你确认删除该文章信息吗？', '温馨提示', {
      type: 'warning',
      confirmButtonText: '确认',
      cancelButtonText: '取消'
    })
    await artDelService(row.id)
    ElMessage({ type: 'success', message: '删除成功' })
    getArticleList()
}

  getArticleList()
</script>
<template>
  <page-container title="文章管理" >
    <template #extra>
      <el-button type="primary" @click="onAddArticle">发布文章</el-button>
    </template>
    <el-form inline>
      <el-form-item label="文章分类"> 
        <ChannelSelect v-model="params.cate_id"></ChannelSelect>
      </el-form-item>
      <el-form-item label="发布状态：">
        <el-select style="width: 240px" v-model="params.state">
          <el-option label="已发布" value="1"></el-option>
          <el-option label="草稿" value="2"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="onSearch">搜索</el-button>
        <el-button @click="onReset">重置</el-button>
      </el-form-item>
    </el-form>
    <el-table :data="articleList" style="width: 100%" v-loading="loading">
      <el-table-column label="文章标题" width="400">
        <template #default="{ row }">
          <el-link type="primary" :underline="false">{{ row.title }}</el-link>
        </template>
      </el-table-column>
      <el-table-column label="分类" prop="cate_name"></el-table-column>
      <el-table-column label="发表时间" prop="pub_date"> 
        <template #default="{ row }">
        {{ formatTime(row.pub_date) }}
      </template>
      </el-table-column>
      <el-table-column label="状态" prop="state"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button
            :icon="Edit"
            circle
            plain
            type="primary"
            @click="onEditArticle(row)"
          ></el-button>
          <el-button
            :icon="Delete"
            circle
            plain
            type="danger"
            @click="onDeleteArticle(row)"
          ></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    <el-pagination
      v-model:current-page="params.pagenum"
      v-model:page-size="params.pagesize"
      :page-sizes="[2, 3, 4, 5, 10]"
      layout="jumper, total, sizes, prev, pager, next"
      background
      :total="total"
      @size-change="onSizeChange"
      @current-change="onCurrentChange"
      style="margin-top: 20px; justify-content: flex-end"
    />
    <ArticleEdit ref="articleEditRef" @success="onSuccess"></ArticleEdit>
  </page-container>
</template>